# #8b91bb

A color — cool, muted. Deterministic analysis from BrandSweets (no inference).

## Values

- Hex: `#8b91bb`
- RGB: rgb(139, 145, 187)
- HSL: hsl(233, 26%, 64%)
- OKLCH: oklch(0.667 0.063 278.2)
- Relative luminance: 0.2933
- Nearest named color: Easter Egg (#8e97c7, Δ 2.184) — https://brandsweets.com/colors/easter-egg
- Moods: cool, muted
- Page: https://brandsweets.com/colors/8b91bb

## Tints & shades

- Tints (toward white): #959ac1, #a2a6c8, #abafce, #b8bcd5, #c2c5db, #cccee1, #d8dae8, #e2e3ee, #eff0f6, #f9f9fb
- Shades (toward black): #787fb0, #656ca4, #575e94, #4b5281, #40456d, #35395a, #2a2d47, #1e2133, #131420, #08080d

## Harmonies

- Complementary: #bbb58b
- Analogous: #8ba9bb, #9e8bbb
- Triadic: #bb8b91, #91bb8b
- Split-complementary: #bb9e8b, #a9bb8b
- Tetradic: #bb8ba9, #bbb58b, #8bbb9e

## Colors that go with #8b91bb

Named partners (harmony on the OKLCH wheel, co-occurrence in curated palettes and brand systems, and the neutrals that carry it), best first:

- **Charcoal** #36454f [role, pool] — Charcoal is the text near-black for #8b91bb: softer than #000 and cool enough to feel like part of the same palette. Seen in: Dusty Blue (https://brandsweets.com/palettes/cool#dusty-blue), Bloomberg (https://brandsweets.com/colors/brands/bloomberg-com), Hermès (https://brandsweets.com/colors/brands/hermes-com), PlayStation® Official Site: Consoles, Games, Accessories & MoreSony Interactive Entertainment (https://brandsweets.com/colors/brands/playstation-com). — https://brandsweets.com/colors/charcoal
- **Amber** #ffbf00 [pool] — Amber is paired with #8b91bb in 5 real palettes, including Ahrefs's brand system and Blueprint, as the supporting colour. Seen in: Ahrefs (https://brandsweets.com/colors/brands/ahrefs-com), Blueprint (https://brandsweets.com/palettes/technical#blueprint), NBA (https://brandsweets.com/colors/brands/nba-com), Beach Hut (https://brandsweets.com/palettes/light#beach-hut). — https://brandsweets.com/colors/amber
- **Copper** #b87333 [pool] — Designers have shipped Copper with #8b91bb: 5 real palettes, including Dusk and Atelier, as the accent. Seen in: Dusk (https://brandsweets.com/palettes/cool#dusk), Atelier (https://brandsweets.com/palettes/elegant#atelier), Riverbed (https://brandsweets.com/palettes/muted#riverbed), Clean Beauty (https://brandsweets.com/palettes/minimal#clean-beauty). — https://brandsweets.com/colors/copper
- **Deep Sky Blue** #00bfff [pool] — Designers have shipped Deep Sky Blue with #8b91bb: 5 real palettes, including Blueprint and Telegram's brand system, as the lead colour. Seen in: Blueprint (https://brandsweets.com/palettes/technical#blueprint), Telegram (https://brandsweets.com/colors/brands/telegram-org), Snowflake AI Data Cloud (https://brandsweets.com/colors/brands/snowflake-com), Calm (https://brandsweets.com/colors/brands/calm-com). — https://brandsweets.com/colors/deepskyblue
- **Denim** #1560bd [pool] — Designers have shipped Denim with #8b91bb: 5 real palettes, including Dusk and Open House, as the lead colour. Seen in: Dusk (https://brandsweets.com/palettes/cool#dusk), Open House (https://brandsweets.com/palettes/clean#open-house), Coca-Cola (https://brandsweets.com/colors/brands/coca-cola-com), Gopro (https://brandsweets.com/colors/brands/gopro-com). — https://brandsweets.com/colors/denim
- **Midnight Blue** #191970 [pool] — 7 real palettes, including Open House and First Snow put Midnight Blue beside #8b91bb, as the text colour against it. Seen in: Open House (https://brandsweets.com/palettes/clean#open-house), First Snow (https://brandsweets.com/palettes/cool#first-snow), Plaid (https://brandsweets.com/colors/brands/plaid-com), Blue Mono (https://brandsweets.com/palettes/cool#blue-mono). — https://brandsweets.com/colors/midnightblue
- **Peru** #cd853f [harmony, pool: split] — Peru is a split-complement of #8b91bb: nearly opposite, so it still pops against it, without the vibrating edge of a true complement. Seen in: Estate (https://brandsweets.com/palettes/luxury#estate), Paper & Pine (https://brandsweets.com/palettes/minimal#paper-and-pine), Kiln (https://brandsweets.com/palettes/dark#kiln). — https://brandsweets.com/colors/peru
- **Powder Blue** #b0e0e6 [pool] — Designers have shipped Powder Blue with #8b91bb: 5 real palettes, including First Snow and Ink Wash, as the accent. Seen in: First Snow (https://brandsweets.com/palettes/cool#first-snow), Ink Wash (https://brandsweets.com/palettes/dark#ink-wash), Crypto.com (https://brandsweets.com/colors/brands/crypto-com), Stone (https://brandsweets.com/palettes/neutral#stone). — https://brandsweets.com/colors/powderblue

## Contrast (WCAG 2.x, as text)

- On white (#ffffff): 3.06:1 — AA fail, AA-large pass, AAA fail. Fix: AA: text → #6b72a8 (4.57:1); AA: background → #2b2b2b (4.63:1); AAA: text → #4d5484 (7.2:1)
- On black (#000000): 6.87:1 — AA pass, AA-large pass, AAA fail. Fix: AAA: text → #8f94bd (7.14:1)

## Palette tool

Open this color locked as the lead with four explored companions: https://brandsweets.com/palettes/new/8b91bb-9c9cc4-df884e-241f2d-e9eef1?lock=0&style=vibrant
(Humans lock/regenerate in the tool; the URL is the state — read `lock=` back to see what they kept.)

## Connect an agent

Point any MCP client at the BrandSweets colors endpoint for the same engine:

- Endpoint: https://mcp.brandsweets.com/colors/mcp
- Tools: `analyze_color` (e.g. `analyze_color({ color: "#8b91bb" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.